import java.lang.reflect.Method;

public class AccessPersonMethods {
    public static void main(String[] args) {
        try {
            Class clz = Class.forName("reflect.entity.Person");

            Method getAge = clz.getDeclaredMethod("getAge",null);
            getAge.setAccessible(true);

            Object returnAge = getAge.invoke(null,null);
            System.out.println("年龄是：" + returnAge);

            Object person = clz.newInstance();

            Method silentMethod = clz.getDeclaredMethod("silentMethod",null);

            silentMethod.setAccessible(true);

            silentMethod.invoke(person,null);

            Method setName = clz.getDeclaredMethod("setName",String.class);
            setName.invoke(person,"New Person");

            Object returnName = clz.getDeclaredMethod("getName").invoke(person);
            System.out.println("刚才设定的name是：" + returnName);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
